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Revenue Recognition - Summary of Disaggregation of Revenue (Detail) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Disaggregation of Revenue [Line Items] |  |
Total Revenues | $ 1,335 | $ 1,256
Intersegment eliminations |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | (1) | (1)
Operating Segments | U.S. |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | 572 | 534
Operating Segments | International |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | 764 | 723
Recorded Music |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | 1,161 | 1,084
Recorded Music | Operating Segments | U.S. |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | 481 | 453
Recorded Music | Operating Segments | International |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | 680 | 631
Recorded Music | Digital |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | 727 | 633
Recorded Music | Physical |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | 174 | 184
Recorded Music | Total Digital and Physical |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | 901 | 817
Recorded Music | Artist services and expanded-rights |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | 180 | 188
Recorded Music | Licensing |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | 80 | 79
Music Publishing |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | 175 | 173
Music Publishing | Operating Segments | U.S. |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | 91 | 81
Music Publishing | Operating Segments | International |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | 84 | 92
Music Publishing | Digital |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | 99 | 73
Music Publishing | Performance |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | 30 | 46
Music Publishing | Mechanical |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | 11 | 15
Music Publishing | Synchronization |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | 33 | 36
Music Publishing | Other |  |
Disaggregation of Revenue [Line Items] |  |
Total Revenues | $ 2 | $ 3

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- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8906-108599 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 40 -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e9031-108599 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e9038-108599 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8933-108599 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8933-108599 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130543-203045 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8736-108599 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e8736-108599 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 42 -URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e9054-108599 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130545-203045 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 924 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 11.L) -URI http://asc.fasb.org/extlink&oid=6472922&loc=d3e499488-122856 + Details
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